Warning: Permanently added '10.128.1.113' (ED25519) to the list of known hosts.
executing program
[ 573.473205][ T30] INFO: task kworker/u8:6:2450 blocked for more than 143 seconds.
[ 573.481500][ T30] Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.490752][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 573.499825][ T30] task:kworker/u8:6 state:D stack:21384 pid:2450 tgid:2450 ppid:2 flags:0x00004000
[ 573.510713][ T30] Workqueue: ipv6_addrconf addrconf_verify_work
[ 573.517426][ T30] Call Trace:
[ 573.520734][ T30]
[ 573.524161][ T30] __schedule+0x17e8/0x4a20
[ 573.528744][ T30] ? __pfx___schedule+0x10/0x10
[ 573.534176][ T30] ? __pfx_lock_release+0x10/0x10
[ 573.539266][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 573.545272][ T30] ? kthread_data+0x52/0xd0
[ 573.549817][ T30] ? schedule+0x90/0x320
[ 573.554505][ T30] ? wq_worker_sleeping+0x66/0x240
[ 573.559652][ T30] ? schedule+0x90/0x320
[ 573.564504][ T30] schedule+0x14b/0x320
[ 573.568707][ T30] schedule_preempt_disabled+0x13/0x30
[ 573.574494][ T30] __mutex_lock+0x6a4/0xd70
[ 573.579047][ T30] ? __mutex_lock+0x527/0xd70
[ 573.584202][ T30] ? addrconf_verify_work+0x19/0x30
[ 573.589430][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 573.595138][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.601162][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.608455][ T30] ? process_scheduled_works+0x945/0x1830
[ 573.614579][ T30] addrconf_verify_work+0x19/0x30
[ 573.619629][ T30] process_scheduled_works+0xa2c/0x1830
[ 573.625660][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 573.631676][ T30] ? assign_work+0x364/0x3d0
[ 573.636716][ T30] worker_thread+0x86d/0xd70
[ 573.641362][ T30] ? __kthread_parkme+0x169/0x1d0
[ 573.646956][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.652101][ T30] kthread+0x2f0/0x390
[ 573.656654][ T30] ? __pfx_worker_thread+0x10/0x10
[ 573.661812][ T30] ? __pfx_kthread+0x10/0x10
[ 573.666901][ T30] ret_from_fork+0x4b/0x80
[ 573.671355][ T30] ? __pfx_kthread+0x10/0x10
[ 573.676406][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.681222][ T30]
[ 573.684738][ T30]
[ 573.684738][ T30] Showing all locks held in the system:
[ 573.692486][ T30] 1 lock held by khungtaskd/30:
[ 573.698087][ T30] #0: ffffffff8e333fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 573.708319][ T30] 3 locks held by kworker/0:2/58:
[ 573.714192][ T30] 3 locks held by kworker/u8:6/2450:
[ 573.719492][ T30] #0: ffff888029e3b148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 573.731584][ T30] #1: ffffc900095c7d00 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 573.745644][ T30] #2: ffffffff8f5e7648 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30
[ 573.755455][ T30] 2 locks held by getty/4861:
[ 573.760145][ T30] #0: ffff88802a8570a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 573.770421][ T30] #1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 573.780875][ T30] 1 lock held by syz-executor207/5118:
[ 573.786678][ T30]
[ 573.789024][ T30] =============================================
[ 573.789024][ T30]
[ 573.797980][ T30] NMI backtrace for cpu 1
[ 573.802340][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.812278][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.822352][ T30] Call Trace:
[ 573.825664][ T30]
[ 573.828608][ T30] dump_stack_lvl+0x241/0x360
[ 573.833312][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 573.838540][ T30] ? __pfx__printk+0x10/0x10
[ 573.843155][ T30] ? vprintk_emit+0x631/0x770
[ 573.847869][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 573.852925][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 573.857897][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.863386][ T30] ? _printk+0xd5/0x120
[ 573.867572][ T30] ? __pfx__printk+0x10/0x10
[ 573.872188][ T30] ? __wake_up_klogd+0xcc/0x110
[ 573.877070][ T30] ? __pfx__printk+0x10/0x10
[ 573.881690][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 573.886752][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 573.892768][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 573.898784][ T30] watchdog+0xfde/0x1020
[ 573.903052][ T30] ? watchdog+0x1ea/0x1020
[ 573.907496][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.912187][ T30] kthread+0x2f0/0x390
[ 573.916274][ T30] ? __pfx_watchdog+0x10/0x10
[ 573.920966][ T30] ? __pfx_kthread+0x10/0x10
[ 573.925578][ T30] ret_from_fork+0x4b/0x80
[ 573.930016][ T30] ? __pfx_kthread+0x10/0x10
[ 573.934626][ T30] ret_from_fork_asm+0x1a/0x30
[ 573.939433][ T30]
[ 573.942574][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 573.947865][ C0] NMI backtrace for cpu 0
[ 573.947877][ C0] CPU: 0 PID: 5118 Comm: syz-executor207 Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 573.947895][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 573.947912][ C0] RIP: 0010:__lock_acquire+0xef0/0x1fd0
[ 573.947938][ C0] Code: 00 4d 89 fc 0f 85 63 04 00 00 48 83 7c 24 30 00 0f 84 52 03 00 00 48 8b 44 24 48 48 8d 58 f8 48 89 d8 48 c1 e8 03 0f b6 04 38 <84> c0 0f 85 7f 0e 00 00 8b 1b 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8
[ 573.947952][ C0] RSP: 0018:ffffc9000350e4b0 EFLAGS: 00000806
[ 573.947968][ C0] RAX: 0000000000000000 RBX: ffff88807c636500 RCX: 00000000275e791c
[ 573.947980][ C0] RDX: 000000007081d34c RSI: 0000000042ad9054 RDI: dffffc0000000000
[ 573.947996][ C0] RBP: beb0d827c32aa34a R08: ffffffff92fb5587 R09: 1ffffffff25f6ab0
[ 573.948008][ C0] R10: dffffc0000000000 R11: fffffbfff25f6ab1 R12: ffff88807c635a00
[ 573.948021][ C0] R13: ffff88807c635a00 R14: 0000000000000000 R15: ffff88807c635a00
[ 573.948033][ C0] FS: 0000555589241380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 573.948048][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 573.948060][ C0] CR2: 000055bcafe8b600 CR3: 000000007c348000 CR4: 00000000003506f0
[ 573.948074][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 573.948084][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 573.948095][ C0] Call Trace:
[ 573.948102][ C0]
[ 573.948108][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 573.948130][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 573.948149][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 573.948178][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 573.948198][ C0] ? nmi_handle+0x14f/0x5a0
[ 573.948223][ C0] ? nmi_handle+0x2a/0x5a0
[ 573.948249][ C0] ? __lock_acquire+0xef0/0x1fd0
[ 573.948266][ C0] ? default_do_nmi+0x63/0x160
[ 573.948287][ C0] ? exc_nmi+0x123/0x1f0
[ 573.948307][ C0] ? end_repeat_nmi+0xf/0x53
[ 573.948332][ C0] ? __lock_acquire+0xef0/0x1fd0
[ 573.948350][ C0] ? __lock_acquire+0xef0/0x1fd0
[ 573.948369][ C0] ? __lock_acquire+0xef0/0x1fd0
[ 573.948386][ C0]
[ 573.948391][ C0]
[ 573.948405][ C0] lock_acquire+0x1ed/0x550
[ 573.948422][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.948445][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 573.948463][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.948482][ C0] ? __pfx_lock_release+0x10/0x10
[ 573.948501][ C0] ? preempt_schedule_notrace_thunk+0x1a/0x30
[ 573.948522][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.948542][ C0] tcf_idr_check_alloc+0x12d/0x900
[ 573.948560][ C0] ? tcf_idr_check_alloc+0x110/0x900
[ 573.948582][ C0] ? __pfx_tcf_idr_check_alloc+0x10/0x10
[ 573.948602][ C0] ? __nla_parse+0x40/0x60
[ 573.948627][ C0] tcf_police_init+0x29b/0x17c0
[ 573.948648][ C0] ? __sock_sendmsg+0x221/0x270
[ 573.948670][ C0] ? ____sys_sendmsg+0x525/0x7d0
[ 573.948694][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 573.948727][ C0] ? nla_memcpy+0x5d/0xc0
[ 573.948750][ C0] ? __asan_memcpy+0x40/0x70
[ 573.948769][ C0] ? __pfx_tcf_police_init+0x10/0x10
[ 573.948791][ C0] tcf_action_init_1+0x5d7/0x890
[ 573.948816][ C0] ? __pfx_tcf_action_init_1+0x10/0x10
[ 573.948866][ C0] ? tcf_action_fill_size+0x1e/0x2d0
[ 573.948903][ C0] tcf_action_init+0x2e4/0x940
[ 573.948929][ C0] ? __pfx_tcf_action_init+0x10/0x10
[ 573.948976][ C0] ? apparmor_capable+0x138/0x1b0
[ 573.949011][ C0] tc_ctl_action+0x47d/0xcf0
[ 573.949032][ C0] ? is_bpf_text_address+0x26/0x2a0
[ 573.949055][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 573.949089][ C0] ? trace_contention_end+0x3c/0x120
[ 573.949112][ C0] ? __mutex_lock+0x2ef/0xd70
[ 573.949141][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 573.949171][ C0] ? __pfx_tc_ctl_action+0x10/0x10
[ 573.949191][ C0] rtnetlink_rcv_msg+0x89b/0x1180
[ 573.949216][ C0] ? rtnetlink_rcv_msg+0x208/0x1180
[ 573.949239][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 573.949260][ C0] ? is_bpf_text_address+0x285/0x2a0
[ 573.949282][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.949303][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.949325][ C0] ? arch_stack_walk+0x16d/0x1b0
[ 573.949355][ C0] ? mark_lock+0x9a/0x350
[ 573.949374][ C0] ? __pfx_validate_chain+0x10/0x10
[ 573.949396][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 573.949420][ C0] ? mark_lock+0x9a/0x350
[ 573.949441][ C0] ? __lock_acquire+0x1346/0x1fd0
[ 573.949468][ C0] netlink_rcv_skb+0x1e3/0x430
[ 573.949492][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 573.949515][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 573.949548][ C0] ? netlink_deliver_tap+0x2e/0x1b0
[ 573.949572][ C0] netlink_unicast+0x7ea/0x980
[ 573.949597][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 573.949616][ C0] ? __virt_addr_valid+0x183/0x520
[ 573.949641][ C0] ? __check_object_size+0x49c/0x900
[ 573.949656][ C0] ? bpf_lsm_netlink_send+0x9/0x10
[ 573.949683][ C0] netlink_sendmsg+0x8db/0xcb0
[ 573.949712][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 573.949737][ C0] ? __import_iovec+0x536/0x820
[ 573.949760][ C0] ? aa_sock_msg_perm+0x91/0x160
[ 573.949781][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 573.949797][ C0] ? security_socket_sendmsg+0x87/0xb0
[ 573.949823][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 573.949864][ C0] __sock_sendmsg+0x221/0x270
[ 573.949889][ C0] ____sys_sendmsg+0x525/0x7d0
[ 573.949912][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 573.949939][ C0] __sys_sendmsg+0x2b0/0x3a0
[ 573.949973][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 573.950009][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 573.950032][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 573.950051][ C0] ? exc_page_fault+0x590/0x8c0
[ 573.950076][ C0] ? do_syscall_64+0xb6/0x230
[ 573.950094][ C0] do_syscall_64+0xf3/0x230
[ 573.950111][ C0] ? clear_bhb_loop+0x35/0x90
[ 573.950131][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 573.950150][ C0] RIP: 0033:0x7f2951b01df9
[ 573.950170][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 573.950183][ C0] RSP: 002b:00007ffd88e67c48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 573.950200][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2951b01df9
[ 573.950212][ C0] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003
[ 573.950222][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 573.950231][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 573.950241][ C0] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 573.950258][ C0]
[ 573.950265][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.400 msecs
[ 574.607735][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 574.614613][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc2-syzkaller-00761-g3ec8d7572a69 #0
[ 574.624515][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 574.634583][ T30] Call Trace:
[ 574.637877][ T30]
[ 574.640818][ T30] dump_stack_lvl+0x241/0x360
[ 574.645521][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 574.650750][ T30] ? __pfx__printk+0x10/0x10
[ 574.655369][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 574.661379][ T30] ? vscnprintf+0x5d/0x90
[ 574.665740][ T30] panic+0x349/0x860
[ 574.669666][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.675866][ T30] ? __pfx_panic+0x10/0x10
[ 574.680320][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 574.685726][ T30] ? __irq_work_queue_local+0x137/0x410
[ 574.691290][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 574.696702][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 574.702875][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 574.709056][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 574.715242][ T30] watchdog+0x101d/0x1020
[ 574.719595][ T30] ? watchdog+0x1ea/0x1020
[ 574.724038][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.728740][ T30] kthread+0x2f0/0x390
[ 574.732835][ T30] ? __pfx_watchdog+0x10/0x10
[ 574.737529][ T30] ? __pfx_kthread+0x10/0x10
[ 574.742134][ T30] ret_from_fork+0x4b/0x80
[ 574.746572][ T30] ? __pfx_kthread+0x10/0x10
[ 574.751185][ T30] ret_from_fork_asm+0x1a/0x30
[ 574.755996][ T30]
[ 574.759352][ T30] Kernel Offset: disabled
[ 574.763684][ T30] Rebooting in 86400 seconds..